<!DOCTYPE html>
<html>
<head>
    <title>PDF预览</title>
</head>
<body>
   <iframe src="https://view.officeapps.live.com/op/view.aspx?src=https://gitee.com/xqs0320_0/pdf-preview/raw/master/8.15t.pdf"
        width="100%" height="600px" frameborder="0"></iframe>
</body>
</html>
